Removed Polymer from Observatory deps

packages/polymer/test/element_import/import_b.html

Index: packages/polymer/test/element_import/import_b.html
diff --git a/packages/polymer/test/element_import/import_b.html b/packages/polymer/test/element_import/import_b.html
deleted file mode 100644
index 045c6072ff950d66ab06c0a061aec296f21b7bdf..0000000000000000000000000000000000000000
--- a/packages/polymer/test/element_import/import_b.html
+++ /dev/null
@@ -1,16 +0,0 @@
-<!--
-    @license
-    Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
-    This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-    The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-    The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-    Code distributed by Google as part of the polymer project is also
-    subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-<link rel="import" href="../packages/polymer/polymer.html">
-<polymer-element name="x-bar">
-  <template>
-    x-bar
-  </template>
-  <script type="application/dart" src="import_b.dart"></script>
-</polymer-element>